OpenTechnical

OT-2026-000007664

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000007664) never changes.

Identity and time

Publication numberOT-2026-000007664 · never reused
Internal UUID01a0ae62-76bd-736a-bca0-4a6e3967b17d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:23.688458Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007664
StatusPUBLIC

Content hashes

Canonical text2eb74f9b00ddc2eb3bc99c816254ff961269ef6fc2885aaf5399e1b58e8f1356
Markdown37615e462145e7c56075ea02345f345d20ef92de80199402518daf3f6d1fb753
PDF
Publication pagec8e0c55ec8fe3d453581c4fe3c4d09423b774037842d3d46acfeb54cc31de719
Manifest69b34c8b57096e1f50b1126221aab78a7f1bcfc9ed08e15205f21c973a1c0773

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureHbU/7hYd52ImeBo0RMkFWIDUiIDeGSauElvwp5qPVc9mOLYrNKH55EXQYslbnHCWYm484AXuxb4nWJBXCQwdBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:17.236545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007664
observed c8e0c55ec8fe3d453581c4fe3c4d0942...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.219634ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007664/manifest.json
observed 69b34c8b57096e1f50b1126221aab78a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.198648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007664/publication.md
observed 37615e462145e7c56075ea02345f345d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:17.179144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007664/publication.txt
observed 2eb74f9b00ddc2eb3bc99c816254ff96...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.